G0 Z17.5
G28
G90
G0 Z17.5
G1 X100.0 Y25.0 F2400.0
; end of initialization
G0 Z17.5
G1 X150.0 Y75.0
G0 Z15.0
G1 X200.0 Y75.0
G0 Z17.5
G1 X200.0 Y95.0
G0 Z15.0
G1 X150.0 Y75.0
G0 Z17.5
G1 X150.0 Y125.0
G0 Z15.0
G1 X210.0 Y125.0
G1 X210.0 Y185.0
G1 X150.0 Y185.0
G1 X150.0 Y125.0
G0 Z17.5
G1 X170.0 Y145.0
G0 Z15.0
G1 X270.0 Y145.0
G1 X270.0 Y205.0
G1 X170.0 Y205.0
G1 X170.0 Y145.0
; ending commands
G0 Z37.5
G1 X100.0 Y25.0 
G28
M84
